However, legitimate copies of the exist. They are officially restricted to verified professors and instructors via the publisher (Wiley-IEEE Press).

of the book’s applications in engineering methodology and system identification. Internet Archive

If you are struggling with a specific section, double-check your fundamentals in these areas, as they comprise the bulk of the manual's complex solutions:

The primary textbook titled Physiological Control Systems: Analysis, Simulation, and Estimation is authored by Michael C. K. Khoo

I should also consider if there are any repositories or torrent sites where such resources might be uploaded. However, distributing pirated material is illegal and against guidelines, so I can't recommend or provide links to those. Instead, the correct approach would be to check official sources first.

If you're having trouble finding a specific solutions manual by Michael Khoo, consider reaching out to academic communities or forums related to biomedical engineering or physiology for more personalized advice or shared resources.